NDLI: A stream tapping protocol with partial preloading

Content Provider	IEEE Xplore Digital Library
Author	Paris, J.-F.
Copyright Year	2001
Description	Author affiliation: Dept. of Comput. Sci., Houston Univ., TX, USA (Paris, J.-F.)
Abstract	Stream tapping-also known as patching-can reduce the bandwidth requirements of video-on-demand services by allowing new customer requests to "tap" the data streams of other requests for the same video. Previous studies have shown that stream tapping works best when the request arrival rate does not exceed ten to twenty requests per hour for a two-hour video. At higher arrival rates, it performs much worse than broadcasting protocols. To overcome this limitation, we propose a stream tapping protocol that preloads in the customer set-top box the first few minutes of all popular videos. To offset the cost of the additional buffer space, our protocol never requires the set-top box to receive data from the video server at more than twice video consumption rate. Our simulations indicate that preloading the first eight minutes of a two-hour video was enough to achieve lower bandwidth requirements than the best broadcasting protocols at any request arrival rate.
Sponsorship	IEEE Comput. Soc. Tech. Committee on Simulation
Starting Page	423
Ending Page	430
File Size	711611
Page Count	8
File Format	PDF
ISBN	0769513158
ISSN	15267639
DOI	10.1109/MASCOT.2001.948895
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-08-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Multimedia communication Broadcasting Streaming media Bandwidth Costs Proposals US Department of Transportation Computer science Aggregates
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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